java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/sum_array-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:59:20,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:59:20,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:59:20,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:59:20,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:59:20,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:59:20,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:59:20,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:59:20,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:59:20,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:59:20,536 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:59:20,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:59:20,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:59:20,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:59:20,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:59:20,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:59:20,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:59:20,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:59:20,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:59:20,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:59:20,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:59:20,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:59:20,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:59:20,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:59:20,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:59:20,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:59:20,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:59:20,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:59:20,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-22 21:59:20,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:59:20,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:59:20,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:59:20,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:59:20,579 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:59:20,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:59:20,580 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:59:20,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:59:20,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:59:20,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:59:20,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:59:20,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:59:20,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:59:20,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:59:20,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:59:20,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:59:20,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:59:20,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:59:20,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:59:20,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:59:20,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:59:20,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:59:20,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:59:20,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:59:20,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:59:20,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:59:20,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:59:20,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:59:20,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:59:20,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:59:20,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:59:20,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:59:20,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:59:20,633 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:59:20,634 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array-1.c [2019-08-22 21:59:20,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2c33846c/754763b51ccf405aa4d742950f524977/FLAG5cf687472 [2019-08-22 21:59:21,110 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:59:21,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-1.c [2019-08-22 21:59:21,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2c33846c/754763b51ccf405aa4d742950f524977/FLAG5cf687472 [2019-08-22 21:59:21,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2c33846c/754763b51ccf405aa4d742950f524977 [2019-08-22 21:59:21,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:59:21,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:59:21,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:59:21,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:59:21,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:59:21,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:59:21" (1/1) ... [2019-08-22 21:59:21,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629ea4f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21, skipping insertion in model container [2019-08-22 21:59:21,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:59:21" (1/1) ... [2019-08-22 21:59:21,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:59:21,558 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:59:21,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:59:21,770 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:59:21,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:59:21,916 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:59:21,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21 WrapperNode [2019-08-22 21:59:21,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:59:21,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:59:21,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:59:21,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:59:21,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21" (1/1) ... [2019-08-22 21:59:21,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21" (1/1) ... [2019-08-22 21:59:21,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21" (1/1) ... [2019-08-22 21:59:21,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21" (1/1) ... [2019-08-22 21:59:21,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21" (1/1) ... [2019-08-22 21:59:21,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21" (1/1) ... [2019-08-22 21:59:21,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21" (1/1) ... [2019-08-22 21:59:21,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:59:21,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:59:21,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:59:21,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:59:21,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:59:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:59:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:59:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:59:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:59:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:59:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:59:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:59:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:59:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-22 21:59:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:59:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:59:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:59:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:59:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:59:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:59:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:59:22,341 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:59:22,341 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-22 21:59:22,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:59:22 BoogieIcfgContainer [2019-08-22 21:59:22,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:59:22,343 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:59:22,343 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:59:22,344 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:59:22,344 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:59:22" (1/1) ... [2019-08-22 21:59:22,358 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:59:22,360 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:59:22,366 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:59:22,375 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:59:22,377 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:59:22,464 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-22 21:59:22,465 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:22,498 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:22,498 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:59:22,499 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:59:22,518 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 21 [2019-08-22 21:59:22,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:22,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:22,736 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:22,751 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2019-08-22 21:59:22,752 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:22,772 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2019-08-22 21:59:22,773 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:22,825 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:22,827 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-22 21:59:22,827 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:86 [2019-08-22 21:59:22,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:22,858 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2019-08-22 21:59:22,858 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:22,869 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2019-08-22 21:59:22,870 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:22,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:22,914 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-22 21:59:22,915 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:86 [2019-08-22 21:59:22,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:22,978 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:22,979 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:22,997 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2019-08-22 21:59:22,998 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,180 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 28 [2019-08-22 21:59:23,181 INFO L567 ElimStorePlain]: treesize reduction 680, result has 5.6 percent of original size [2019-08-22 21:59:23,182 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:59:23,183 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:775, output treesize:47 [2019-08-22 21:59:23,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:23,201 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:23,202 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,228 INFO L341 Elim1Store]: treesize reduction 53, result has 22.1 percent of original size [2019-08-22 21:59:23,229 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 79 [2019-08-22 21:59:23,230 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,280 INFO L567 ElimStorePlain]: treesize reduction 14, result has 84.1 percent of original size [2019-08-22 21:59:23,282 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:59:23,282 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:187, output treesize:81 [2019-08-22 21:59:23,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:23,310 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:23,311 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,330 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:23,331 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:59:23,343 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:59:23,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:59:23,356 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 102 [2019-08-22 21:59:23,358 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:59:23,370 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 79 [2019-08-22 21:59:23,372 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,550 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-08-22 21:59:23,550 INFO L567 ElimStorePlain]: treesize reduction 28, result has 86.6 percent of original size [2019-08-22 21:59:23,552 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-22 21:59:23,552 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:437, output treesize:195 [2019-08-22 21:59:23,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:23,574 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2019-08-22 21:59:23,574 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,582 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2019-08-22 21:59:23,582 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,615 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:23,616 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-22 21:59:23,618 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:86 [2019-08-22 21:59:23,636 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:59:23,637 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,661 INFO L567 ElimStorePlain]: treesize reduction 5, result has 92.1 percent of original size [2019-08-22 21:59:23,728 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:23,729 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 178 [2019-08-22 21:59:23,731 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:23,731 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:23,736 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:23,893 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-08-22 21:59:23,893 INFO L567 ElimStorePlain]: treesize reduction 88, result has 73.0 percent of original size [2019-08-22 21:59:23,895 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:59:23,895 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:131, output treesize:238 [2019-08-22 21:59:23,975 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:23,975 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 190 [2019-08-22 21:59:23,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:23,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:23,979 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:24,142 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-08-22 21:59:24,142 INFO L567 ElimStorePlain]: treesize reduction 148, result has 62.1 percent of original size [2019-08-22 21:59:24,222 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:59:24,222 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 206 [2019-08-22 21:59:24,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:24,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:24,227 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:59:24,516 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-08-22 21:59:24,517 INFO L567 ElimStorePlain]: treesize reduction 96, result has 82.0 percent of original size [2019-08-22 21:59:24,518 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-22 21:59:24,519 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:109, output treesize:438 [2019-08-22 21:59:24,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:24,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:24,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:24,571 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-22 21:59:24,572 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:59:24,572 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:59:24,574 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 205#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 21:59:24,583 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:59:24,584 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:59:24,586 INFO L168 Benchmark]: Toolchain (without parser) took 3060.16 ms. Allocated memory was 131.1 MB in the beginning and 267.4 MB in the end (delta: 136.3 MB). Free memory was 87.2 MB in the beginning and 227.4 MB in the end (delta: -140.2 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:24,587 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 131.1 MB. Free memory was 105.5 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:59:24,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.15 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 86.8 MB in the beginning and 176.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:24,588 INFO L168 Benchmark]: Boogie Preprocessor took 40.56 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 174.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:24,589 INFO L168 Benchmark]: RCFGBuilder took 384.50 ms. Allocated memory is still 199.2 MB. Free memory was 173.6 MB in the beginning and 157.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:24,590 INFO L168 Benchmark]: Symbolic Interpretation took 2240.88 ms. Allocated memory was 199.2 MB in the beginning and 267.4 MB in the end (delta: 68.2 MB). Free memory was 157.3 MB in the beginning and 227.4 MB in the end (delta: -70.1 MB). Peak memory consumption was 109.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:59:24,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 205#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 131.1 MB. Free memory was 105.5 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 391.15 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 86.8 MB in the beginning and 176.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.56 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 174.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 384.50 ms. Allocated memory is still 199.2 MB. Free memory was 173.6 MB in the beginning and 157.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2240.88 ms. Allocated memory was 199.2 MB in the beginning and 267.4 MB in the end (delta: 68.2 MB). Free memory was 157.3 MB in the beginning and 227.4 MB in the end (delta: -70.1 MB). Peak memory consumption was 109.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...